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The insulation is of superior quality, 100% PYC free and eco friendly. In fire situationZHFR does not emit toxic or poisonous fumes, which enables safe evacuation. These wires are best suited for wiring in hospitals, hotels, business establishments and high rise buildings where fire can be detrimental.
Manufactured from bright-annealed 99.97% pure bare copper.
Insulation:-15°c to maximum +70°C
These cables are used for wiring domestic and commercial buildings. The multi strand / solid conductors make it ideal for concealed wiring. It is suitable for installation in lighting fittings and appliances up to 1100 v (A.C)
Nominal cross sectional area of conductor | Number/Nominal dia of strands | Nominal insulation thickness | Max.Overall diameter | Max conductor resistance at 20°C | Current rating | |
---|---|---|---|---|---|---|
Casing | Concealed | |||||
Sq.mm | mm | mm | mm | Ω/km | Amps | Amps |
1 | 14/0.30* | 0.7 | 3.2 | 18.1 | 14 | 13 |
1.5 | 22/0.30* | 0.7 | 3.4 | 12.1 | 18 | 16 |
2.5 | 36/0.30* | 0.8 | 4.2 | 7.41 | 24 | 20 |
4 | 56/0.30** | 0.8 | 4.8 | 4.95 | 32 | 26 |
6 | 84/0.30** | 0.8 | 6.4 | 3.3 | 42 | 35 |
Feature | Normal PVC Wire | Heat Resistance HR-PVC | Fire Retaradant FR-PVC | Fire Retardant Low Smoke FRLS | Zero Halogen Low Smoke |
---|---|---|---|---|---|
Insulation Material | PVC | PVC | Spl. PVC | Spl. PVC | Spl. Polymer |
Insulation Property | Normal | Good | Good | Good | Very Good |
Temperature Rating | 70 Deg’ C | 85 Deg’ C | 70 Deg’ C | 70 Deg’ C | 85 Deg’ C |
Thermal Stability | Normal | Very Good | Good | Good | Very Good |
Flame Retardancy | Good | Good | Very Good | Very Good | Excellent |
Safety During Burning | Average | Average | Good | Good | Excellent |
Requirement of Oxygen to catch fire (% in air) | >21 | >21 | >30 | >30 | >35 |
Temperature Required to Catch Fire (with 21% oxygen) | Room Temp. | Room Temp. | >250 Deg’ C | >250 Deg’ C | >300 Deg’ C |
Visibility during Cable Burning (%) | <20 | <20 | <35 | >40 | >80 |
Release of Halogen Gas during burning (% by weight) | <20 | <20 | <20 | <20 | Zero |
Abrasion Resistance During Installation | Good | Good | Good | Good | Good |